PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-03:43:00
G08     311.8          17.5                7.2 +/-    1.76      16.7 +/-    1.76  0.030 / 0.060
G10     333.3          60.3                6.4 +/-    0.43       7.3 +/-    0.43  0.040 / 0.060
G14     217.2          30.0               11.5 +/-    2.38      20.1 +/-    2.38  0.070 / 0.100
G20     35.9           60.7                8.1 +/-    0.81       9.2 +/-    0.81  0.060 / 0.080
G21     133.6          58.0                8.5 +/-    0.98       9.8 +/-    0.98  0.030 / 0.040
G24     75.0           30.1                6.4 +/-    0.54      11.1 +/-    0.54  0.030 / 0.040
G27     277.1          37.6               10.2 +/-    1.07      15.5 +/-    1.07  0.080 / 0.200
G32     222.1          49.3               10.0 +/-    0.98      12.7 +/-    0.98  0.080 / 0.200